Quote Originally Posted by Kayaker72 View Post
I was in auto-ETTL mode on the flash and the birds were quick enough that they reacted. So, natural light, I have eyes wide open. ETTL with a better-beamer, I have squinted eyes or even some birds starting to take off.
I had a similar experience taking flash photos of butterflies once. I would find a nice one with wings open and fire the shot, but the butterfly would react to the preflash and close the wings before the second flash fired! I was amazed at the reflexes.